This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Academic Writing > Reflection – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Reflection Quiz 9 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Triangle MNP is reflected over the y-axis. If N and N' are the same coordinate, which of the following is true? A) N is on the y-axis. B) N is on the x-axis. C) The ordered pair of N has the same x-and y-coordinates. D) N and N' can't be the same coordinate. Show Answer Correct Answer: A) N is on the y-axis. 2. A beam of light drawn as straight lines with arrows A) X-ray. B) Reflected Ray. C) Incidence Ray. D) Ray. Show Answer Correct Answer: D) Ray. 3. We can see objects because of ..... A) Refraction. B) Transmission. C) Diffraction. D) Reflection. Show Answer Correct Answer: D) Reflection. 4. What is the rule for a reflection over the y-axis? A) $\left(x, y\right)\rightarrow\left(y, -x\right)$. B) $\left(x, y\right)\rightarrow\left(-x, y\right)$. C) $\left(x, y\right)\rightarrow\left(x, -y\right)$. D) $\left(x, y\right)\rightarrow\left(-y, x\right)$. Show Answer Correct Answer: B) $\left(x, y\right)\rightarrow\left(-x, y\right)$. 5. If an image is translated to the right and up, which of these rules could have been used? A) T<-3, -8>. B) T<3, 4>. C) T<6, -1>. D) T<-2, 5>. Show Answer Correct Answer: B) T<3, 4>. 6. What is the effect of reflection on the wavelength of light? A) It doubles. B) It increases. C) It remains unchanged. D) It decreases. Show Answer Correct Answer: C) It remains unchanged. 7. What is the core principle of servant leadership? A) Putting personal needs above others. B) Exercising authority and control over others. C) Ignoring the needs of others and focusing on personal goals. D) Prioritizing the needs of others and serving them first. Show Answer Correct Answer: D) Prioritizing the needs of others and serving them first. 8. When a parallel beam of light falls on polished silver, A) The light will be scattered. B) Divergent beam of light will be reflected. C) Parallel beam of light will be reflected. D) A convergent beam of light will be reflected. Show Answer Correct Answer: C) Parallel beam of light will be reflected. 9. Quadrilateral WXYZ is reflected across the x-axis. If (x, y) are the coordinates of one of its vertices, which ordered pair represents the reflected vertex? A) (x, -y). B) (-x, y). C) (-x, -y). D) (-y, x). Show Answer Correct Answer: A) (x, -y). 10. Which way best describes how light moves? A) Slowly. B) Straight line. C) Faster through opaque objects. D) In circles. Show Answer Correct Answer: B) Straight line. 11. Which would you rather walk on barefoot if the sun is out all day long? A) Grass. B) Black top. C) Sand at the beach. D) Concrete sidewalk. Show Answer Correct Answer: A) Grass. 12. If the angle between the angle of incidence and the angle of reflection is 100 degree then, what is the angle between the angle of incidence and the normal? A) 50 degree. B) 40 degree. C) 100 degree. D) 90 degree. Show Answer Correct Answer: A) 50 degree. 13. True or False:when a shape is reflected, each point remains the same distance away from the line of reflection. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Choose the correct statement. A) Reflection is a rigid transformation. B) Reflection is a non-rigid transformation. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reflection is a rigid transformation. 15. If the angle of incidence is 30 degree, then the angle of reflections is? A) 30 degree. B) 90 degree. C) 60 degree. D) 120 degree. Show Answer Correct Answer: A) 30 degree. 16. Reflections over the y-axis change the ..... A) Y-axis. B) X-coordinate. C) X-axis. D) Y-coordinate. Show Answer Correct Answer: B) X-coordinate. 17. What is the main source of light energy? A) The moon. B) The earth. C) A lightbulb. D) The sun. Show Answer Correct Answer: D) The sun. 18. What kind of line is the line $x=2$ A) A vertical line through the place where $x=2$. B) A horizontal line through the place where $y=2$. C) A vertical line through the place where $y=2$. D) A horizontal line through the place where $x=2$. Show Answer Correct Answer: A) A vertical line through the place where $x=2$. 19. Which of the following salt will give acidic solution when dissolved in water? A) Na$_{2}$CO$_{3}$. B) NH$_{4}$Cl. C) NaCl. D) CH$_{3}$COONa. Show Answer Correct Answer: B) NH$_{4}$Cl. 20. Why type of useful things we get from the Rain forests? A) Rubber, Cocoa, Vanilla. B) Metal, powder, Oil. C) Grains, bags, meat. D) None of the above. Show Answer Correct Answer: A) Rubber, Cocoa, Vanilla. 21. What makes the light look bent? A) Light changes the speed. B) Light is totally absorbed. C) Light is transmitted to an object. D) Light is turned. Show Answer Correct Answer: A) Light changes the speed. 22. What is the result of reflecting a figure over the y-axis? A) (x, y). B) (y, -x). C) (x, -y). D) (-x, y). Show Answer Correct Answer: C) (x, -y). 23. Law of reflection state that-The angle of incidence is ..... to the angle of reflection. A) Equal. B) Double. C) Half. D) None of the above. Show Answer Correct Answer: A) Equal. 24. An object at a distance of 30 cm from aconcave mirror gets its image at the same point. The focal length of the mirror is ..... A) -30 cm. B) -15 cm. C) 15 cm. D) 30 cm. Show Answer Correct Answer: B) -15 cm. 25. A mirror having focal length-15 cm is ..... A) Plane mirror. B) Concave mirror. C) Convex mirror. D) None of these. Show Answer Correct Answer: B) Concave mirror. 26. An image that you can see, but does not really exist is called which of the following? A) Real Image. B) Virtual Image. C) Digital Image. D) Fake Image. Show Answer Correct Answer: B) Virtual Image. 27. Red objects appear 'red' because: A) Red objects are made from red materials. B) Red objects absorb red light. C) Red objects absorb all other colour except red light. D) Red objects don't reflect any light. Show Answer Correct Answer: C) Red objects absorb all other colour except red light. 28. Reflect the point (-5, -6) over y =-x. A) (5, -6). B) (-5, 6). C) (-6, -5). D) (6, 5). Show Answer Correct Answer: D) (6, 5). 29. Why do shadows made by the Sun move throughout the day? A) Because someone moves the objects. B) Because it's magic!. C) Because the weather changes. D) Because the sun appears to move across the sky. Show Answer Correct Answer: D) Because the sun appears to move across the sky. 30. In the concave reflector of a torch, the bulb is placed: A) Between the pole and focus of reflector. B) At the focus of reflector. C) Between focus and centre of curvature of reflector. D) At the centre of curvature of reflector at the centre of curvature of reflector. Show Answer Correct Answer: B) At the focus of reflector. ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesReflection Quiz 1Reflection Quiz 2Reflection Quiz 3Reflection Quiz 4Reflection Quiz 5Reflection Quiz 6Reflection Quiz 7Reflection Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books